How many patents does
Hefei General Machinery Research Institute have?
patents
467
families
294
granted
164
applications
303
CN
463
WO
2
US
2
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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Hefei General Machinery Research Institute
Top ten assignees appearing on patents
2009 - 2018
2009
2018
Hefei General Machinery Research Institute
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method for determining device damage factor in coexistence of multiple failure mechanism… 🛈 | 6 | 2010 |
| device for testing mixed-mode fatigue crack growth rate | 5 | 2013 |
| method for processing fracture type halving sealing ring | 4 | 2012 |
| seal head automatic blanking device and blanking method thereof | 4 | 2013 |
| vibrating pre-mixing type concentrate nozzle | 3 | 2016 |
| stability extending device of centrifugal compressor | 3 | 2016 |
| seal head automatic centering feed device and feed method | 3 | 2012 |
| energy-saving emission-reducing self-cleaning filter | 3 | 2013 |
| wide range horizontal efficient oil-gas separator used for screw compressor test system | 3 | 2014 |
| flow mixing type temperature and pressure sampling device | 2 | 2011 |